Forbes: 5 wealthiest people of 2013

Forbes: 5 richest people

Carlos Slim Helu

Telemex Chairman Carlos Slim, a self-made billionaire, tops Forbes' list of the world's wealthiest people for the fourth straight year. The father of six and son of a Lebanese immigrant has a net worth of $73 billion, up $4 billion from a year ago.

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Richest people on the planet

Bill Gates

Bill Gates, still the richest American, is No. 2 on Forbes' list of the world's wealthiest people. Before the founder of Microsoft became a billionaire, he dropped out of Harvard University. The philanthropist has given away more than $28 billion through the Bill & Melinda Gates Foundation, according to Forbes. Gates has a net worth of $67 billion.

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Forbes ranks the world's billionaires

Amancio Ortega

With a net worth of $57 billion, the former chairman of Inditex ranks third on Forbes' list of the richest people on the planet. Since Ortega stepped down as head of the global fashion firm and parent company of popular retailer Zara, he has nearly doubled his net worth.

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World's wealthiest people

Warren Buffett

The Oracle of Omaha, who ranks fourth on Forbes' list of the World's wealthiest people, considered last year, when his holding company increased profit by 49 percent, "subpar," because Berkshire Hathaway's (BRK.A) gains fell short of the overall market. Warren Buffett has a net worth of $53.5 billion.

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Forbes: The world's billionaires

Larry Ellison

The CEO of Oracle retook a spot in the top 5 on Forbes list of the world's wealthiest people only months after he bought Lanai -- one of the eight major Hawaiian islands. Ellison, a college dropout with a net worth of $43 billion, says he plans to turn the 141-square-mile island into a laboratory, where he hopes to convert sea water into fresh water and experiment with environmentally friendly ways of living.